Lewis Short
(adjective) : ŭlŭlābĭlis, e, ululo, the shrieker
* Howling, yelling, wailing (post-class.): plangor,App. M. 4, p. 143, 31: vox,id. ib. 5, p. 161, 40: clamor,id. ib. 10, p. 240, 28; Amm. 24, 1, 7.
Charlton T. Lewis, Charles Short, A Latin Dictionary